Reference number
ISO 29981:2010
© ISO 2025
ISO 29981:2010
Milk products — Enumeration of presumptive bifidobacteria — Colony count technique at 37 degrees C
Edition 1
2010-02
Withdrawn
Withdrawn (Edition 1, 2010)

Abstract

ISO 29981|IDF 220:2010 specifies a method for the selective enumeration of presumptive bifidobacteria in milk products by using a colony count technique at 37 °C under anaerobic conditions.

The method is applicable to milk products such as fermented and non-fermented milks, milk powders, infant formulae, and starter cultures where these microorganisms are present and viable, and in combination with other lactic acid bacteria.

Bifidobacteria used in milk products usually belong to the species: Bifidobacterium adolescentis; B. animalis subsp. animalis; B. animalis subsp. lactis; B. bifidum; B. breve; B. infantis; B. longum.

General information

  • Status
     : Withdrawn
    Publication date
     : 2010-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 17
  • Technical Committee :
    ISO/TC 34/SC 5
    ICS :
    67.100.01 
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